Ensure your success with A00-212 Exam Questions containing PDF Download


A00-212 Exam Dumps | SAS Advanced Programming for SAS 9 | Everything Your Business Needs Home

SAS Advanced Programming for SAS 9

A00-212 Real Exam Question Bank | A00-212 Dumps | A00-212 Practice Test

PDF Dumps
VCE Practice Test
Accurate Questions and Answers
98% Success Rate
Killexams 2020 Updated | A00-212 : SAS Advanced Programming for SAS 9 dumps collection with Dumps | https://killcerts.com/

SASInstitute A00-212 : SAS Advanced Programming for SAS 9 Exam

Exam Dumps Organized by Christopher



Latest 2020 Updated A00-212 test Dumps | dumps collection with actual Questions

100% valid A00-212 Real Questions - Updated Daily - 100% Pass Guarantee



A00-212 test Dumps Source : Download 100% Free A00-212 Dumps PDF and VCE

Test Number : A00-212
Test Name : SAS Advanced Programming for SAS 9
Vendor Name : SASInstitute
Update : Click Here to Check Latest Update
Question Bank : Check Questions

Full refund ensure of A00-212 actual Questions and vce
Memorizing and practicing A00-212 Test Prep from killexams.com is sufficient to ensure your 100% success in real A00-212 exam. Just visit killexams.com and download 100% free Cheatsheet to try before you finally register for full A00-212 Latest Questions. That will provide you smartest move to pass A00-212 exam. Your download section will have latest A00-212 test files with vce test simulator. Just read PDF and Practice with test simulator.

Hundreds of candidates pass A00-212 test with their PDF Free test PDF. It is very unusual that you read and practice their A00-212 PDF Questions and get poor marks or fail in real exam. Most of the candidates feel great improvement in their knowledge and pass A00-212 test at their first attempt. This is the reasons that, they read their A00-212 Latest Topics, they really Strengthen their knowledge. They can work in real condition in association as expert. They don't simply concentrate on passing A00-212 test with their questions and answers, however really Strengthen knowledge about A00-212 objectives and topics. This is why, people trust their A00-212 PDF Questions.

Lot of people download free A00-212 PDF Questions PDF from internet and do great struggle to memorize those outdated questions. They try to save little test dumpsfee and risk entire time and test fee. Most of those people fail their A00-212 exam. This is just because, they spent time on outdated questions and answers. A00-212 test course, objectives and subjects remain changing by SASInstitute. That's why continuous test dumpsupdate is required otherwise, you will see entitrust different Questions Answers at test screen. That is a big drawback of free PDF on internet. Moreover, you can not practice those questions with any test simulator. You just waste lot of resources on outdated material. They suggest in such case, go through killexams.com to download free PDF Dumps before you buy. Review and see the changes in the test topics. Then decide to register for full version of A00-212 PDF Questions. You will surprise when you will see all the questions on actual test screen.

Saving small amount sometime cause a big loss. This is the case when you read free stuff and try to pass A00-212 exam. Many surprises are waiting for you at actual A00-212 exam. Small saving cause big loss. You should not trust on free stuff when you are going to appear for A00-212 exam. It is not very easy to pass A00-212 test with just text books or course books. You need to expertise the tricky scenarios in A00-212 exam. These questions are covered in killexams.com A00-212 PDF Questions. Their A00-212 questions bank make your preparation for test far easy than before. Just download A00-212 PDF Dumps and start studying. You will feel that your knowledge is upgraded to big extent.

Features of Killexams A00-212 PDF Questions
-> A00-212 PDF Questions download Access in just 5 min.
-> Complete A00-212 Questions Bank
-> A00-212 test Success Guarantee
-> Guaranteed Real A00-212 test Questions
-> Latest and up to date A00-212 Questions and Answers
-> Checked A00-212 Answers
-> download A00-212 test Files anywhere
-> Unlimited A00-212 VCE test Simulator Access
-> Unlimited A00-212 test Download
-> Great Discount Coupons
-> 100% Secure Purchase
-> 100% Confidential.
-> 100% Free Free test PDF for evaluation
-> No Hidden Cost
-> No Monthly Subscription
-> No Auto Renewal
-> A00-212 test Update Intimation by Email
-> Free Technical Support

Exam Detail at : https://killexams.com/pass4sure/exam-detail/A00-212
Pricing Details at : https://killexams.com/exam-price-comparison/A00-212
See Complete List : https://killexams.com/vendors-exam-list

Discount Coupon on Full A00-212 Latest subjects questions;
WC2020: 60% Flat Discount on each exam
PROF17: 10% Further Discount on Value Greatr than $69
DEAL17: 15% Further Discount on Value Greater than $99



A00-212 test Format | A00-212 Course Contents | A00-212 Course Outline | A00-212 test Syllabus | A00-212 test Objectives




Killexams Reviews | Testimonials | Feedback


It is Awesome! I got dumps of A00-212 exam.
In case you need high amazing A00-212 dumps, then killexams.com is the ultimate preference and your most effective answer. It gives extremely good and amazing test dumps which I am pronouncing with whole self perception. I constantly belief that A00-212 dumps are of no uses but killexams.com proved me incorrect because the dumps supplied by using them were of remarkable use and helped me marks excessive. In case you are disturbing for A00-212 dumps as nicely, you then definately need now not to worry and be a part of killexams.


Simply try actual A00-212 test questions and success is yours.
I could surely address 93% marks in the long run of the exam, as several questions were just like the adviser for me. Much liked to the killexams. I had a weight from workplace to break up the test A00-212. However, I became burdened over taking a Great planning in little time. At that point, the killexams.com Questions Answers aide showed up as a windfall for me, with its easy and brief replies.


Great source latest excellent A00-212 brain dumps, correct answers.
Its a very useful platform for working professionals like us to practice the dumps collection anywhere. I am very much thankful to you people for creating such a wonderful practice questions which was very useful to me in the last days of exams. I have secured 88% marks in A00-212 test and the revision practice questions helped me a lot. My suggestion is that please develop an android app so that people like us can practice the tests while travelling also.


Little study for A00-212 exam, got outstanding success.
I easily comprehended the tough themes like shipping Competence and content know-how easily from killexams. I correctly score 90% marks. All credit to killexams.com. I was trying to find a reference guide which helped me in planning for the A00-212 exam. My occupied calendar just authorized me to greater time of hours by using one method or every other. via reserving and procuring the killexams.com Questions Answers and test simulaotr, I were given it at my entryway undertaking inner one week and started planning.


Need real test questions of A00-212 exam? download here.
Yes, very beneficial and I was able to marks 80 two% inside the A00-212 test with five days education. Mainly the power of downloading as PDF files to your package deal gave me an great room for effective practice coupled with online tests - no confined attempts limit. Answers given to each query by means of way of you is a hundred% accurate. Thanksloads.


SASInstitute Dumps

UnionBank appoints world-leading statistics Scientist to additional enhance digital capabilities | A00-212 Latest Questions and Test Prep

consistent with its commitment to make banking less complicated and more inclusive by way of greatest-in-classification digital and cell capabilities, Union bank of the Philippines (UnionBank) these days appointed international statistics science knowledgeable Dr. David Hardoon Ph. D., because the bank’s Senior advisor for data and artificial Intelligence (D & AI), reporting to President and CEO Edwin R. Bautista.

The announcement turned into made because the financial institution continues to peer a surge in digital transactions among customers as a result of evolving buyer behavior amplified by means of the latest improved neighborhood quarantine. These transactions imply an extended volume of facts running in the course of the bank’s programs which data science and AI can unlock to permit the bank to serve its purchasers greater.

“Leveraging statistics and AI is a key driver to their next-stage of digital transformation as they continue to place the consumer – each individuals and businesses – at the coronary heart of their enterprise,” mentioned UnionBank President and CEO Edwin Bautista in a statement.

Dr. Hardoon replaces John Januszczak, who's now focused in his position as president and CEO of UBX, UnionBank’s fintech subsidiary.

Dr. Hardoon is a graduate of Royal Halloway, the tuition of London with First-classification Honors B.Sc. in laptop Science and AI, and a holder of a PhD in laptop learning from the school of Southampton faculty of Electronics and computer Science united kingdom.

earlier than his appointment at UnionBank, Dr. Hardoon was the financial Authority of Singapore’s (MAS, Singapore’s counterpart of the Bangko Sentral ng Pilipinas) first appointed Chief statistics Officer and Head of the information Analytics group, and because of this MAS’ particular consultant on artificial Intelligence. In these roles, he led the construction of the AI strategy each for MAS and Singapore’s fiscal sector as well as efforts in advertising open go-border data move.

furthermore, he led and established the ASEAN advanced Analytics of Ernst & young Advisory Singapore as Director of EY records, IT Advisory features, and co-situated Azendian options Pte. Ltd., an counsel management and information science consultancy between 2013 and 2017. He was additionally Head of Analytics at SAS Institute Ltd. Singapore from 2010 to 2013.

As Senior marketing consultant for data and AI, Dr. Hardoon will be working with a considerable number of facilities, agencies, and units to supply a boost to information infrastructure and governance, behavior modelling, computer studying, and AI capabilities in addition to functions within the financial institution and its father or mother enterprise Aboitiz equity Ventures.

other than his role with the bank, Dr. Hardoon is concurrently Senior consultant for AI to Singapore’s Corrupt Investigation Practices Bureau, and Senior consultant for facts Science to Singapore’s central Provident Fund (CPF) Board.

ADVT

examine subsequent

EDITORS' decide on

MOST examine

Subscribe to INQUIRER PLUS to get entry to The Philippine every day Inquirer & different 70+ titles, share up to 5 instruments, take heed to the news, down load as early as 4am & share articles on social media. call 896 6000.

For remarks, complaints, or inquiries, contact us.

Unquestionably it is hard assignment to pick dependable certification questions/answers assets regarding review, reputation and validity since individuals get sham because of picking incorrectly benefit. Killexams.com ensure to serve its customers best to its assets concerning test dumps update and validity. The vast majority of other's sham report dissension customers come to us for the brain dumps and pass their exams joyfully and effortlessly. They never trade off on their review, reputation and quality on the grounds that killexams review, killexams reputation and killexams customer certainty is imperative to us. Uniquely they deal with killexams.com review, killexams.com reputation, killexams.com sham report objection, killexams.com trust, killexams.com validity, killexams.com report and killexams.com scam. On the off chance that you see any false report posted by their rivals with the name killexams sham report grievance web, killexams.com sham report, killexams.com scam, killexams.com protest or something like this, simply remember there are constantly awful individuals harming reputation of good administrations because of their advantages. There are a huge number of fulfilled clients that pass their exams utilizing killexams.com brain dumps, killexams PDF questions, killexams hone questions, killexams test simulator. Visit Killexams.com, their specimen questions and test brain dumps, their test simulator and you will realize that killexams.com is the best brain dumps site.


TCRN test questions | SPLK-1001 test Braindumps | CWDP-303 assessment test demo | 300-810 free practice questions | AI-100 examcollection | 350-701 Free test PDF | PEGACPDC74V1 mock test | HPE6-A68 practice questions | 300-610 test dumps | PCCSA free pdf download | AD0-E106 cheat sheets | 70-462 practice questions | 1Y0-230 practice questions | SVC-19A test Cram | CV0-001 test dumps | QSBA2018 test practice | Gsuite study guide | CSLE free pdf | PMI-ACP test questions | DES-1423 braindumps |



A00-211 Latest subjects |


Best Certification test Dumps You Ever Experienced


A01-250 test Questions | A00-203 test preparation | A00-212 test dumps | A00-260 writing test questions | A00-206 certification demo | A00-280 test Braindumps | A00-205 past exams | A00-201 dumps | A00-240 prep questions | A00-204 practical test | A00-202 online test | A00-250 study guide | A00-211 download | A00-270 bootcamp | A00-281 assessment test demo |



Killexams.com Provide Latest Certification Dumps of 2020

3COM [8 Certification Exam(s) ]
ACAMS [1 Certification Exam(s) ]
AccessData [1 Certification Exam(s) ]
ACFE [1 Certification Exam(s) ]
ACI [3 Certification Exam(s) ]
Acme-Packet [1 Certification Exam(s) ]
ACSM [4 Certification Exam(s) ]
ACT [1 Certification Exam(s) ]
Admission-Tests [15 Certification Exam(s) ]
ADOBE [100 Certification Exam(s) ]
AFP [1 Certification Exam(s) ]
AICPA [5 Certification Exam(s) ]
AIIM [1 Certification Exam(s) ]
Alcatel-Lucent [16 Certification Exam(s) ]
Alfresco [3 Certification Exam(s) ]
Alibaba [1 Certification Exam(s) ]
Altiris [3 Certification Exam(s) ]
AMA [1 Certification Exam(s) ]
Amazon [15 Certification Exam(s) ]
American-College [2 Certification Exam(s) ]
Android [4 Certification Exam(s) ]
APA [1 Certification Exam(s) ]
APC [2 Certification Exam(s) ]
APICS [3 Certification Exam(s) ]
Apple [72 Certification Exam(s) ]
AppSense [1 Certification Exam(s) ]
APTUSC [1 Certification Exam(s) ]
Arizona-Education [1 Certification Exam(s) ]
ARM [1 Certification Exam(s) ]
Aruba [8 Certification Exam(s) ]
ASIS [2 Certification Exam(s) ]
ASQ [3 Certification Exam(s) ]
ASTQB [11 Certification Exam(s) ]
Atlassian [2 Certification Exam(s) ]
Autodesk [2 Certification Exam(s) ]
Avaya [107 Certification Exam(s) ]
AXELOS [1 Certification Exam(s) ]
Axis [2 Certification Exam(s) ]
Banking [1 Certification Exam(s) ]
BEA [6 Certification Exam(s) ]
BICSI [2 Certification Exam(s) ]
BlackBerry [17 Certification Exam(s) ]
BlockChain [4 Certification Exam(s) ]
Blue-Prism [3 Certification Exam(s) ]
BlueCoat [2 Certification Exam(s) ]
Brocade [4 Certification Exam(s) ]
Business-Objects [11 Certification Exam(s) ]
Business-Tests [5 Certification Exam(s) ]
CA-Technologies [20 Certification Exam(s) ]
Certification-Board [20 Certification Exam(s) ]
Certiport [3 Certification Exam(s) ]
CheckPoint [45 Certification Exam(s) ]
CIDQ [1 Certification Exam(s) ]
CIMA [2 Certification Exam(s) ]
CIPS [4 Certification Exam(s) ]
Cisco [352 Certification Exam(s) ]
Citrix [49 Certification Exam(s) ]
CIW [18 Certification Exam(s) ]
Cloudera [10 Certification Exam(s) ]
Cognos [19 Certification Exam(s) ]
College-Board [2 Certification Exam(s) ]
CompTIA [81 Certification Exam(s) ]
ComputerAssociates [6 Certification Exam(s) ]
Consultant [2 Certification Exam(s) ]
Counselor [4 Certification Exam(s) ]
CPP-Institute [1 Certification Exam(s) ]
CSP [1 Certification Exam(s) ]
CWNP [19 Certification Exam(s) ]
CyberArk [2 Certification Exam(s) ]
Dassault [2 Certification Exam(s) ]
DELL [18 Certification Exam(s) ]
DMI [1 Certification Exam(s) ]
DRI [1 Certification Exam(s) ]
ECCouncil [25 Certification Exam(s) ]
ECDL [1 Certification Exam(s) ]
EMC [134 Certification Exam(s) ]
Enterasys [13 Certification Exam(s) ]
Ericsson [5 Certification Exam(s) ]
ESPA [1 Certification Exam(s) ]
Esri [2 Certification Exam(s) ]
ExamExpress [15 Certification Exam(s) ]
Exin [42 Certification Exam(s) ]
ExtremeNetworks [3 Certification Exam(s) ]
F5-Networks [20 Certification Exam(s) ]
FCTC [2 Certification Exam(s) ]
Filemaker [9 Certification Exam(s) ]
Financial [34 Certification Exam(s) ]
Food [4 Certification Exam(s) ]
Fortinet [17 Certification Exam(s) ]
Foundry [6 Certification Exam(s) ]
FSMTB [1 Certification Exam(s) ]
Fujitsu [2 Certification Exam(s) ]
GAQM [12 Certification Exam(s) ]
Genesys [4 Certification Exam(s) ]
GIAC [15 Certification Exam(s) ]
Google [11 Certification Exam(s) ]
GuidanceSoftware [2 Certification Exam(s) ]
H3C [1 Certification Exam(s) ]
HDI [9 Certification Exam(s) ]
Healthcare [3 Certification Exam(s) ]
HIPAA [2 Certification Exam(s) ]
Hitachi [30 Certification Exam(s) ]
Hortonworks [5 Certification Exam(s) ]
Hospitality [2 Certification Exam(s) ]
HP [771 Certification Exam(s) ]
HR [4 Certification Exam(s) ]
HRCI [1 Certification Exam(s) ]
Huawei [34 Certification Exam(s) ]
Hyperion [10 Certification Exam(s) ]
IAAP [1 Certification Exam(s) ]
IAHCSMM [1 Certification Exam(s) ]
IBM [1547 Certification Exam(s) ]
IBQH [1 Certification Exam(s) ]
ICAI [1 Certification Exam(s) ]
ICDL [6 Certification Exam(s) ]
IELTS [1 Certification Exam(s) ]
IFPUG [1 Certification Exam(s) ]
IIA [3 Certification Exam(s) ]
IIBA [2 Certification Exam(s) ]
IISFA [1 Certification Exam(s) ]
Intel [2 Certification Exam(s) ]
IQN [1 Certification Exam(s) ]
IRS [1 Certification Exam(s) ]
ISA [1 Certification Exam(s) ]
ISACA [5 Certification Exam(s) ]
ISC2 [7 Certification Exam(s) ]
ISEB [25 Certification Exam(s) ]
Isilon [4 Certification Exam(s) ]
ISM [6 Certification Exam(s) ]
iSQI [9 Certification Exam(s) ]
ITEC [1 Certification Exam(s) ]
ITIL [1 Certification Exam(s) ]
Juniper [68 Certification Exam(s) ]
LEED [1 Certification Exam(s) ]
Legato [5 Certification Exam(s) ]
Liferay [1 Certification Exam(s) ]
Linux-Foundation [1 Certification Exam(s) ]
Logical-Operations [1 Certification Exam(s) ]
Lotus [66 Certification Exam(s) ]
LPI [25 Certification Exam(s) ]
LSI [3 Certification Exam(s) ]
Magento [3 Certification Exam(s) ]
Maintenance [1 Certification Exam(s) ]
McAfee [9 Certification Exam(s) ]
McData [3 Certification Exam(s) ]
Medical [68 Certification Exam(s) ]
Microsoft [408 Certification Exam(s) ]
Mile2 [3 Certification Exam(s) ]
Military [1 Certification Exam(s) ]
Misc [2 Certification Exam(s) ]
Motorola [7 Certification Exam(s) ]
MuleSoft [1 Certification Exam(s) ]
mySQL [4 Certification Exam(s) ]
NBSTSA [1 Certification Exam(s) ]
NCEES [2 Certification Exam(s) ]
NCIDQ [1 Certification Exam(s) ]
NCLEX [3 Certification Exam(s) ]
Network-General [12 Certification Exam(s) ]
NetworkAppliance [42 Certification Exam(s) ]
NetworkAppliances [1 Certification Exam(s) ]
NI [1 Certification Exam(s) ]
NIELIT [1 Certification Exam(s) ]
Nokia [8 Certification Exam(s) ]
Nortel [130 Certification Exam(s) ]
Novell [38 Certification Exam(s) ]
OMG [10 Certification Exam(s) ]
Oracle [317 Certification Exam(s) ]
P&C [2 Certification Exam(s) ]
Palo-Alto [6 Certification Exam(s) ]
PARCC [1 Certification Exam(s) ]
PayPal [1 Certification Exam(s) ]
PCI-Security [1 Certification Exam(s) ]
Pegasystems [19 Certification Exam(s) ]
PEOPLECERT [4 Certification Exam(s) ]
PMI [16 Certification Exam(s) ]
Polycom [2 Certification Exam(s) ]
PostgreSQL-CE [1 Certification Exam(s) ]
Prince2 [7 Certification Exam(s) ]
PRMIA [2 Certification Exam(s) ]
PsychCorp [1 Certification Exam(s) ]
PTCB [2 Certification Exam(s) ]
QAI [1 Certification Exam(s) ]
Qlik [2 Certification Exam(s) ]
QlikView [2 Certification Exam(s) ]
Quality-Assurance [6 Certification Exam(s) ]
RACC [1 Certification Exam(s) ]
Real-Estate [2 Certification Exam(s) ]
RedHat [8 Certification Exam(s) ]
RES [5 Certification Exam(s) ]
Riverbed [9 Certification Exam(s) ]
RSA [16 Certification Exam(s) ]
Sair [8 Certification Exam(s) ]
Salesforce [10 Certification Exam(s) ]
SANS [2 Certification Exam(s) ]
SAP [98 Certification Exam(s) ]
SASInstitute [15 Certification Exam(s) ]
SAT [2 Certification Exam(s) ]
SCO [10 Certification Exam(s) ]
SCP [6 Certification Exam(s) ]
SDI [3 Certification Exam(s) ]
See-Beyond [1 Certification Exam(s) ]
ServiceNow [1 Certification Exam(s) ]
Siemens [1 Certification Exam(s) ]
Snia [7 Certification Exam(s) ]
SOA [15 Certification Exam(s) ]
Social-Work-Board [4 Certification Exam(s) ]
Splunk [3 Certification Exam(s) ]
SpringSource [1 Certification Exam(s) ]
SUN [63 Certification Exam(s) ]
SUSE [1 Certification Exam(s) ]
Sybase [17 Certification Exam(s) ]
Symantec [137 Certification Exam(s) ]
Teacher-Certification [4 Certification Exam(s) ]
The-Open-Group [8 Certification Exam(s) ]
TIA [3 Certification Exam(s) ]
Tibco [18 Certification Exam(s) ]
Trainers [3 Certification Exam(s) ]
Trend [1 Certification Exam(s) ]
TruSecure [1 Certification Exam(s) ]
USMLE [1 Certification Exam(s) ]
VCE [7 Certification Exam(s) ]
Veeam [2 Certification Exam(s) ]
Veritas [34 Certification Exam(s) ]
Vmware [76 Certification Exam(s) ]
Watchguard [1 Certification Exam(s) ]
Wonderlic [2 Certification Exam(s) ]
Worldatwork [3 Certification Exam(s) ]
XML-Master [3 Certification Exam(s) ]
Zend [6 Certification Exam(s) ]

Download These Latest and Up to date Certification Exams Here





References :


Dropmark : http://killexams.dropmark.com/367904/11587200
Wordpress : http://wp.me/p7SJ6L-SC
Issu : https://issuu.com/trutrainers/docs/a00-212
Dropmark-Text : http://killexams.dropmark.com/367904/12125267
Blogspot : http://killexamsbraindump.blogspot.com/2017/11/pass4sure-a00-212-practice-tests-with.html
RSS Feed : http://feeds.feedburner.com/ReviewA00-212RealQuestionAndAnswersBeforeYouTakeTest
publitas.com : https://view.publitas.com/trutrainers-inc/free-pass4sure-a00-212-question-bank
Box.net : https://app.box.com/s/qx16yzifzg6g3puztk8m6xn4mkths4gg
zoho.com : https://docs.zoho.com/file/5ptno0127c723446c47549faaa73a171e8615
Scribd : https://www.scribd.com/document/376949358/A00-212-Dumps-and-Practice-software-with-Real-Question
MegaCerts.com Certification test dumps | Pass4Sure test Questions and Dumps






Our A00-212 Clients are our Reputaion

Our clients are 100% satisfied with our A00-212 Exam Braindumps Quality and Performance in the Real Test. Our valued clients are working on great positions in the industry.

98%

Success Rate

100%

Accurate Contents

100%

Success Guarantee

Complete Certifications

View Complete List of Over 5000 Certification Exam For PDF Downloading.

OUR SUPPORT TEAM

Our Certification Support Team is Backbone of success. Our experts are certified professionals keeping all exams up to date according to the test center and make the contents accuracy a priority.

Thomas Wilson

Customer Service Executive

Monika Jaffer

Certification Support Executive

Bruno Soria

Update Team Leader

Our Clients

Our A00-212 Clients are our reputation. Thousands of people working at good positioin in industry are our clients. They keep their SAS Advanced Programming for SAS 9 certifications up to date with our latest exams.

Address

28 Southwark Bridge Road, London, United Kingdom

Contacts

Email: info@killexams.com             
Phone: +86 10 88217272
Fax: +86 10 68179999

Popular posts from this blog

Latest CRNA Certified Registered Nurse Anaesthetist Practice Test | Exam Dumps

Pass NHA Nursing Home Administrator-In-Training (AIT) with Killexams Pra...

Guaranteed 156-587 Check Point Certified Troubleshooting Expert (CCTE) Actual Questions